Active NPI 1922304195 Individual Practitioner Male Practitioner

Dr. Mugabe Walker , MD

Internal Medicine • San Antonio, TX

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Mugabe Walker, MD is a certified Internal Medicine practicing in San Antonio, TX. With approximately 19 years of clinical experience since completing medical education in 2007, Dr. Walker delivers high-quality medical care to the local community at 4522 FREDERICKSBURG RD STE A14.

Dr. Walker maintains professional affiliations with Conviva Medical Center Management Of Texas, P.A., Lutheran Hospital Association Of The San Luis Valley and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, outpatient office visit, test for exercise-induced lung stress. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

4522 Fredericksburg Rd Ste A14

San Antonio, TX 782016595

Telephone 2107333005

Fax 2107333001

Associated Practice Facility / Clinic

🏢 Leticia A Poret Md Pa Facility NPI 1114024478

Medicare Profile & Education

Medical School

Other

Graduation Year

2007

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in San Antonio, TX

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

19 Yrs -3.7 yrs vs City Avg

City Avg: 22.7 Yrs

State Avg: 26.2 Yrs

Regional Practice Density

681 Specialists

Practicing in San Antonio, TX (9538 Statewide)

Telehealth Adoption Rate

16.4% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

34.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Walker (19 Years) 19 Yrs

San Antonio Specialty Average (22.7 Years) 22.7 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	448	201	$146.15	$127.80
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	306	52	$35.71	$25.25
99213 Established patient office or other outpatient visit, typically 15 minutes	105	83	$109.48	$96.85
94618 Test for exercise-induced lung stress	15	12	$83.00	$36.43
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	13	13	$143.00	$116.95
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	12	12	$311.00	$140.55

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	362	159	$159.83	$129.04
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	118	45	$35.53	$23.93
99213 Established patient office or other outpatient visit, typically 15 minutes	71	60	$116.44	$91.54
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	26	26	$149.31	$113.40
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	11	11	$224.57	$168.96

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99307 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes	29	14	$44.32	$41.28

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99307 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes	44	12	$44.32	$42.10

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	194	124	$103.21	$52.39
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	106	80	$167.39	$80.49
94060 Test to measure expiratory airflow and volume changes before and after medication administration	97	97	$45.00	$13.36
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	31	29	$51.17	$26.97
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes	28	20	$148.00	$70.67
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	19	19	$240.12	$112.96
99307 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes	13	12	$80.00	$44.98
99304 Initial nursing facility care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes	11	11	$164.00	$91.78

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	397	190	$103.23	$51.56
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	147	102	$46.58	$25.80
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	128	100	$165.38	$79.34
94060 Test to measure expiratory airflow and volume changes before and after medication administration	116	115	$44.53	$13.21
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes	67	35	$145.52	$69.53
G0179 Physician re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians to affirm the initial imp	25	13	$95.00	$41.64
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	22	21	$122.00	$53.77
93000 Routine ekg using at least 12 leads including interpretation and report	21	20	$60.00	$17.28
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	18	18	$262.22	$117.06
99307 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes	16	13	$79.25	$44.37
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	14	14	$280.92	$130.49
99304 Initial nursing facility care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes	14	14	$164.00	$90.86
99305 Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes	14	14	$233.00	$131.13

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	586	266	$103.38	$51.96
94060 Test to measure expiratory airflow and volume changes before and after medication administration	151	145	$44.00	$13.20
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes	150	64	$144.05	$70.33
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	83	75	$46.55	$25.86
G0179 Physician re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians to affirm the initial imp	31	18	$95.00	$42.36
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	29	29	$262.22	$118.01
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	27	26	$164.98	$79.23
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	23	20	$159.00	$92.85
93000 Routine ekg using at least 12 leads including interpretation and report	18	17	$60.00	$17.10
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	15	15	$122.00	$54.42
99305 Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes	15	15	$233.00	$126.42
99318 Nursing facility annual assessment, typically 30 minutes	15	15	$234.00	$97.30
99307 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes	14	12	$78.00	$45.10

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	525	270	$102.87	$51.33
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes	272	91	$129.05	$69.59
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	205	159	$47.01	$25.66
94060 Test to measure expiratory airflow and volume changes before and after medication administration	137	131	$44.00	$13.15
99307 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes	41	28	$78.00	$45.01
G0179 Physician re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians to affirm the initial imp	36	19	$95.00	$41.88
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	31	29	$122.00	$54.25
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	31	27	$159.00	$91.84
99318 Nursing facility annual assessment, typically 30 minutes	25	25	$234.00	$97.34
99304 Initial nursing facility care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes	24	24	$164.00	$91.92
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	20	20	$164.98	$79.24
99305 Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes	17	16	$233.00	$130.93
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	11	11	$262.22	$116.48

Medical Specialties & State Licenses

CMS Verified: 2026-04-07

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License TX S9079

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Internal Medicine - Geriatric Medicine

NUCC Taxonomy Code: 207RG0300X

State License TX S9079

An internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes and the hospital.

Internal Medicine

NUCC Taxonomy Code: 207R00000X

State License PA MT193877

Internal Medicine

NUCC Taxonomy Code: 207R00000X

State License CO 51132

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

98835530 (CO)

Hospital & Practice Group Affiliations

Conviva Medical Center Management Of Texas, P.a.

4522 Fredericksburg Rd, San Antonio, TX 782016595

Phone: 2107733005

Lutheran Hospital Association Of The San Luis Valley

2115 Stuart Ave, Alamosa, CO 811012269

Phone: 7195893000

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

2 Associated Practitioners

Dr. Leticia Poret , MD PA

Internal Medicine

NPI 1578763462

MDPA

Hetta Atkins , ACNP

Nurse Practitioner

NPI 1881945830

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

12 Historical Events

📍

Updated Practice Location April 07, 2026

Registered at 4522 FREDERICKSBURG RD STE A14, SAN ANTONIO, TX 782016595 (Tel: 2107333005)

📍

Updated Business Mailing Address April 07, 2026

Registered at 6101 BLUE LAGOON DR STE 200, MIAMI, FL 331263168 (Tel: 4075336836)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) April 07, 2026

Internal Medicine (License #S9079 in TX)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 21, 2025

Internal Medicine (License #MT193877 in PA)

📍

Updated Practice Location October 15, 2020

Registered at 2312 CARROLL ST, ALAMOSA, CO 811012007 (Tel: 4126920803)

📍

Updated Business Mailing Address October 15, 2020

Registered at 2312 CARROLL ST, ALAMOSA, CO 811012007 (Tel: 4126920803)

✅

NPI Profile Active June 04, 2013

NPI status registered as active in NPPES database

📍

Updated Practice Location June 04, 2013

Registered at 2115 STUART AVE, ALAMOSA, CO 811012269 (Tel: 7195898005)

📍

Updated Business Mailing Address June 04, 2013

Registered at 106 BLANCA AVE, ALAMOSA, CO 811012340 (Tel: 7195898005)

👤

Provider Name / Credentials Updated June 04, 2013

Recorded as MUGABE WALKER, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) June 04, 2013

Internal Medicine (License #51132 in CO)

🟢

Initial NPI Registration & Enumeration February 04, 2011

First registered as active Individual Practitioner in NPPES Database.

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NPI Administrative Meta

NPI Number: 1922304195

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: February 04, 2011

Last Update: April 07, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

6101 Blue Lagoon Dr Ste 200

Miami, FL 331263168

Phone: 4075336836

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.